Analysis

  • max time kernel
    155s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/02/2023, 15:36

General

  • Target

    http:///root/sample/c0a55f4a2a6853d29bd387e088f793af058fb843

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 35 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http:///root/sample/c0a55f4a2a6853d29bd387e088f793af058fb843
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2304 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2668
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:3480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    f60b261fa864803670980251960b8d45

    SHA1

    0423aa6407d944a6f826e8ff197014a75114572b

    SHA256

    e55b79fb46ab833b600da6bcc39eedf6650e6dc890485c85e41e14d11ccd0055

    SHA512

    2e8ba8c5e37d8fa0d26237bac4c47928a28762959bb2873269721c7d9be7b66b10e6d058d9c855486948ee8eb591e5fd3a57fb091e44e4ad16436af74b4da357

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    434B

    MD5

    cc1772ede114a6479534cdb47ea338aa

    SHA1

    3a0eaf310b27e467ebaec385ff66fc63619c3399

    SHA256

    ee606db49dfec3435a9e9c2a394335ca4d8930d08141434212f8349931f6a84a

    SHA512

    83f9f44074f7dc4ff4faa036d9b86a84d29d461078407aee4166ef48adf3cb6906224b7d686196a51992a0de1a5c202efc54f1e9ba39716a2bfe47d419e3bcf8